$132+ Cheap flights from Pennsylvania to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Cheapest flights from Pennsylvania to IdahoExplore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:15 am
IAD
- JAC
1 stop6h 57m
Delta
Sat 11/71:10 pm
JAC
- IAD
1 stop8h 36m
Delta
Deal found 5/6![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am
DCA
- JAC
2 stops14h 05m
Delta
Wed 11/47:15 am
JAC
- DCA
2 stops10h 04m
Delta
Deal found 5/1![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
IAD
- BOI
1 stop9h 18m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:26 pm
IAD
- BOI
2 stops8h 20m
Delta
Thu 8/610:29 am
BOI
- IAD
2 stops10h 45m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
IAD
- GEG
1 stop8h 28m
Delta
Sat 9/510:50 am
GEG
- IAD
1 stop10h 05m
Delta
Deal found 5/6![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 am
IAD
- GEG
1 stop8h 52m
American Airlines
Tue 9/15:40 am
GEG
- IAD
1 stop9h 47m
American Airlines
Deal found 5/5![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:21 pm
IAD
- GEG
2 stops9h 14m
Delta
Tue 6/97:59 pm
GEG
- IAD
2 stops12h 49m
Delta
Deal found 5/5![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:55 pm
EWR
- BOI
1 stop7h 51m
Delta
Sat 6/132:50 pm
BOI
- EWR
1 stop7h 09m
Delta
Deal found 5/4![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:30 pm
LGA
- JAC
1 stop7h 32m
United Airlines
Tue 11/1710:51 am
JAC
- LGA
1 stop6h 46m
United Airlines
Deal found 5/5![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am
JFK
- JAC
1 stop7h 42m
Delta
Tue 11/177:15 am
JAC
- JFK
1 stop7h 12m
Delta
Deal found 5/5![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:53 pm
IAD
- GEG
1 stop8h 49m
American Airlines
Sat 9/126:30 am
GEG
- IAD
2 stops13h 17m
American Airlines
Deal found 5/5![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:15 am
EWR
- BOI
1 stop9h 03m
Delta
Sat 6/1311:59 am
BOI
- EWR
2 stops10h 00m
Delta
Deal found 5/4![Delta logo]()
$292
Best flights from Pennsylvania to IdahoDiscover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:08 am
IAD
- BOI
1 stop8h 35m
Delta
Tue 6/29:18 pm
BOI
- IAD
2 stops12h 00m
Delta
Deal found 5/2![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:10 am
IAD
- GEG
1 stop8h 38m
United Airlines
Thu 6/41:41 pm
GEG
- IAD
1 stop8h 04m
United Airlines
Deal found 5/4![United Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
IAD
- GEG
1 stop10h 04m
Alaska Airlines
Tue 6/912:46 pm
GEG
- IAD
1 stop8h 13m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:08 am
IAD
- GEG
1 stop8h 09m
Delta
Mon 6/11:11 pm
GEG
- IAD
1 stop8h 02m
Delta
Deal found 5/5![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
IAD
- GEG
1 stop8h 38m
United Airlines
Sat 6/612:30 pm
GEG
- IAD
1 stop9h 01m
United Airlines
Deal found 5/1![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:08 pm
IAD
- GEG
2 stops11h 27m
Delta
Thu 6/41:11 pm
GEG
- IAD
1 stop8h 02m
Delta
Deal found 5/4![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:08 am
IAD
- BOI
1 stop8h 35m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/5![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:30 am
EWR
- BOI
1 stop10h 04m
Alaska Airlines
Wed 6/108:47 pm
BOI
- EWR
1 stop8h 12m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:30 am
IAD
- BOI
1 stop6h 26m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/1![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:10 am
IAD
- BOI
1 stop7h 22m
United Airlines
Fri 8/77:05 pm
BOI
- IAD
1 stop8h 48m
United Airlines
Deal found 5/1![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
IAD
- BOI
1 stop6h 58m
Delta
Tue 7/710:29 am
BOI
- IAD
2 stops10h 44m
Delta
Deal found 5/4![Delta logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:15 pm
JFK
- BOI
1 stop16h 48m
Alaska Airlines
Wed 6/104:23 pm
BOI
- JFK
2 stops13h 15m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:30 am
EWR
- BOI
2 stops9h 20m
Delta
Fri 6/52:23 pm
BOI
- EWR
1 stop7h 26m
Delta
Deal found 5/1![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:29 pm
LGA
- JAC
1 stop7h 25m
United Airlines
Wed 6/107:00 am
JAC
- LGA
1 stop8h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:02 pm
EWR
- BOI
1 stop29h 18m
Alaska Airlines
Sun 9/131:29 pm
BOI
- EWR
1 stop8h 00m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:00 am
IAD
- BOI
1 stop10h 12m
Delta
Thu 6/2511:55 am
BOI
- IAD
1 stop10h 30m
Delta
Deal found 5/2![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Tue 7/211:42 pm
JAC
- EWR
1 stop9h 22m
United Airlines
Deal found 5/2![United Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:37 pm
IAD
- GEG
2 stops13h 29m
Delta
Mon 7/277:08 pm
GEG
- IAD
2 stops13h 41m
Delta
Deal found 5/5![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:00 pm
IAD
- JAC
1 stop21h 07m
Alaska Airlines
Sat 7/252:11 pm
JAC
- IAD
2 stops14h 28m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:10 am
PHL
- JAC
1 stop7h 12m
United Airlines
Wed 10/71:45 pm
JAC
- PHL
2 stops8h 52m
United Airlines
Deal found 5/3![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:36 am
JFK
- BOI
2 stops15h 52m
Delta
Sat 6/66:41 pm
BOI
- JFK
1 stop9h 46m
Delta
Deal found 5/4![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:15 pm
IAD
- JAC
1 stop7h 27m
United Airlines
Fri 7/32:44 pm
JAC
- IAD
1 stop8h 01m
United Airlines
Deal found 5/2![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
IAD
- GEG
2 stops9h 01m
Delta
Sat 5/306:49 am
GEG
- IAD
2 stops10h 13m
Delta
Deal found 5/5![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:59 pm
DCA
- JAC
1 stop19h 32m
Alaska Airlines
Wed 7/83:47 pm
JAC
- DCA
2 stops17h 12m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:15 am
EWR
- BOI
1 stop9h 29m
United Airlines
Tue 7/77:05 pm
BOI
- EWR
1 stop9h 55m
United Airlines
Deal found 5/3![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
EWR
- BOI
1 stop10h 03m
Delta
Sun 9/1311:30 pm
BOI
- EWR
1 stop9h 37m
Delta
Deal found 5/5![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:30 am
IAD
- JAC
1 stop8h 59m
United Airlines
Sat 8/294:25 pm
JAC
- IAD
1 stop6h 15m
United Airlines
Deal found 5/5![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 am
IAD
- GEG
1 stop8h 11m
Delta
Mon 6/810:48 pm
GEG
- IAD
1 stop7h 33m
Delta
Deal found 5/3![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:30 am
EWR
- JAC
1 stop9h 01m
Alaska Airlines
Tue 7/2112:00 pm
JAC
- EWR
2 stops15h 59m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Sat 6/132:44 pm
JAC
- EWR
1 stop8h 20m
United Airlines
Deal found 5/3![United Airlines logo]()
$536
Last-minute flights from Pennsylvania to IdahoDiscover last-minute flight deals from Pennsylvania to Idaho. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Idaho. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:08 am
IAD
- GEG
1 stop8h 09m
Delta
Wed 5/2710:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 5/3![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
IAD
- GEG
2 stops10h 11m
Delta
Thu 5/2810:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 5/3![Delta logo]()
$280
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:30 am
LGA
- JAC
1 stop7h 39m
American Airlines
Mon 6/111:07 am
JAC
- LGA
1 stop8h 22m
American Airlines
Deal found 5/4![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:30 am
LGA
- JAC
1 stop10h 39m
American Airlines
Fri 5/2910:00 am
JAC
- LGA
2 stops11h 44m
American Airlines
Deal found 5/4![American Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
IAD
- BOI
1 stop9h 18m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:06 am
JFK
- JAC
1 stop8h 14m
Delta
Tue 6/21:15 pm
JAC
- JFK
1 stop8h 40m
Delta
Deal found 5/2![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:37 pm
IAD
- BOI
2 stops11h 07m
Delta
Tue 6/29:18 pm
BOI
- IAD
2 stops12h 00m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:55 pm
EWR
- BOI
1 stop7h 51m
Delta
Thu 6/1111:45 pm
BOI
- EWR
1 stop7h 41m
Delta
Deal found 5/4![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:59 pm
JFK
- JAC
2 stops10h 30m
Delta
Tue 6/21:15 pm
JAC
- JFK
1 stop8h 40m
Delta
Deal found 5/1![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:15 am
EWR
- BOI
1 stop9h 03m
Delta
Sat 6/1311:59 am
BOI
- EWR
2 stops10h 00m
Delta
Deal found 5/4![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:08 am
IAD
- GEG
1 stop8h 09m
Delta
Thu 6/411:05 am
GEG
- IAD
1 stop10h 08m
Delta
Deal found 5/5![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:21 pm
IAD
- GEG
2 stops9h 14m
Delta
Tue 6/97:59 pm
GEG
- IAD
2 stops12h 49m
Delta
Deal found 5/5![Delta logo]()
$286
One-way flights from Pennsylvania to IdahoSearch for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:43 pm
IAD
- BOI
1 stop7h 13m
United Airlines
Deal found 5/1![United Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:26 pm
IAD
- BOI
2 stops8h 39m
Delta
Deal found 5/1![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
IAD
- GEG
1 stop10h 04m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$138
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
JFK
- BOI
1 stop10h 34m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:47 pm
IAD
- BOI
2 stops17h 43m
Frontier
Deal found 5/2![Frontier logo]()
$141
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:29 pm
LGA
- JAC
1 stop7h 23m
United Airlines
Deal found 5/1![United Airlines logo]()
$141
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
IAD
- GEG
2 stops10h 18m
Delta
Deal found 5/1![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:15 am
EWR
- BOI
1 stop9h 03m
Delta
Deal found 5/1![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:29 pm
JFK
- BOI
1 stop9h 35m
Delta
Deal found 5/5![Delta logo]()
$144
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:40 am
LGA
- JAC
1 stop9h 45m
United Airlines
Deal found 5/3![United Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:06 am
JFK
- JAC
1 stop8h 14m
Delta
Deal found 5/1![Delta logo]()
$146
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:27 pm
EWR
- BOI
2 stops12h 37m
Delta
Deal found 5/5![Delta logo]()
$149
Find flight deals from Pennsylvania to Idaho
Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (Delta) |
One-way from | $132 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $448 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Tue 5/26
6:08 am-12:43 pm
1 stop8h 35m
Boise Air Term. Gowen Fld
Tue 6/2
9:18 pm-11:18 am
2 stops12h 00m
$268
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 5/28
6:10 am-11:48 am
1 stop8h 38m
Spokane
Thu 6/4
1:41 pm-12:45 am
1 stop8h 04m
$292
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Fri 5/29
6:08 am-11:17 am
1 stop8h 09m
Spokane
Mon 6/1
1:11 pm-12:13 am
1 stop8h 02m
$292
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 5/28
3:08 pm-11:35 pm
2 stops11h 27m
Spokane
Thu 6/4
1:11 pm-12:13 am
1 stop8h 02m
$297
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Sat 5/30
6:10 am-11:48 am
1 stop8h 38m
Spokane
Sat 6/6
12:30 pm-12:31 am
1 stop9h 01m
$302
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Wed 5/27
6:08 am-12:43 pm
1 stop8h 35m
Boise Air Term. Gowen Fld
Mon 6/1
11:39 pm-9:16 am
1 stop7h 37m
$311
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Mon 5/25
7:30 am-11:56 am
1 stop6h 26m
Boise Air Term. Gowen Fld
Mon 6/1
11:39 pm-9:16 am
1 stop7h 37m
$311
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Wed 7/1
6:00 am-10:58 am
1 stop6h 58m
Boise Air Term. Gowen Fld
Tue 7/7
10:29 am-11:13 pm
2 stops10h 44m
$316
NewarkBoise
EWR - BOI
EWRBOI
Newark
Tue 6/2
10:30 am-5:50 pm
2 stops9h 20m
Boise Air Term. Gowen Fld
Fri 6/5
2:23 pm-11:49 pm
1 stop7h 26m
$327
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Sat 6/6
6:00 am-1:04 pm
1 stop10h 04m
Spokane
Tue 6/9
12:46 pm-11:59 pm
1 stop8h 13m
$351
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania with our price prediction graph.
IAD-BOI
IAD-GEG
EWR-BOI
LGA-JAC
JFK-JAC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Idaho
USPA-USID
IAD-BOI
IAD-GEG
EWR-BOI
LGA-JAC
How far ahead should I book a flight from Pennsylvania to Idaho?
The price you pay for your flight from Pennsylvania to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Pennsylvania to Idaho?
Currently, September is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $88). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Pennsylvania to Idaho?
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated May 6, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pennsylvania to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to Idaho by cabin class
Find flights from Pennsylvania to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Idaho flights
Browse other Pennsylvania and Idaho flight options. Last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Pennsylvania after your stay in Idaho
Pennsylvania to Idaho flights
Consider these flights traveling from Pennsylvania to Idaho.
Top 4 airlines flying from Pennsylvania to Idaho
Discover the top 4 airlines that operate flights from Pennsylvania to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$519 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$531 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$512 | FlexibilityNo cancel fee | On-time63% |